248742784 has 32 divisors (see below), whose sum is σ = 496699200. Its totient is φ = 124081152.

The previous prime is 248742779. The next prime is 248742787. The reversal of 248742784 is 487247842.

248742784 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248742787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59284 + ... + 63340.

It is an arithmetic number, because the mean of its divisors is an integer number (15521850).

Almost surely, 2^248742784 is an apocalyptic number.

It is an amenable number.

248742784 is a deficient number, since it is larger than the sum of its proper divisors (247956416).

248742784 is an equidigital number, since it uses as much as digits as its factorization.

248742784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550 (or 4538 counting only the distinct ones).

The product of its digits is 802816, while the sum is 46.

The square root of 248742784 is about 15771.5815313494. The cubic root of 248742784 is about 628.9027545647.

The spelling of 248742784 in words is "two hundred forty-eight million, seven hundred forty-two thousand, seven hundred eighty-four".